grammex
A free browser game — play it in your browser, no install. A generic graph rewriting engine with game-constraint semantics for procedural generation
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Open the live demo Source on GitHubFrom the README
A generic graph rewriting engine with game-constraint semantics for procedural generation.
Graph rewriting: Define pattern->replacement rules for procedural generation. Game constraints: Lock-and-key, reachability, cycle constraints built-in. Multiple strategies: FirstMatch, WeightedRandom, Parallel (Markov Junior-style). Observable: Monitor rewriting progress via the RewriteObserver trait. no_std compatible**: Works in embedded and WASM environments. Deterministic: Same seed produces same results.
Dungeon/level generation with guaranteed completability.
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